BackgroundCoat coloration in mammals is an explicit adaptation through natural selection. Camouflaging with the environment is the foremost evolutionary drive in explaining overall coloration. Decades of enquiries on this topic have been limited to repetitive coat color measurements to correlate the morphs with background/habitat ...
PubMed Central
that coloration which visually matches a random sample of the background maximizes background matching. We studied. In contrast to background matching, there are significantly fewer studies that have addressed disruptiveBackground-matching and disruptive coloration, and the evolution of cryptic coloration Sami
E-print Network
... 1, 2004; Accepted: November 3, 2004Keywords: Aposematism, artificial neural network, cryptic coloration, Lepidoptera, mimicry, predation Many prey species ... ...
NBII National Biological Information Infrastructure
... I-35131 Padova, Italy Abstract Cryptic female choice (CFC) refers to female-mediated processes occurring during or ... recent empirical support for this hypothesis, evidence that CFC contributes towa...
and their eggs. Recent evidence suggests that the non-native red fox may pose the most serious .... The female lays 2-3 eggs that are cryptically colored. ...
NASA Website
The American Bittern is a solitary, cryptically colored heron that breeds in freshwater wetlands from the mid-United States to northern Canada. It prefers ... ...
... been confirmed with genetic evidence in bluegill sunfish Lepomis macrochirus (Philipp and Gross, 1994). Small, cryptically colored sneaker ... circling in the social organization of bluegill sunfish (Lepo...
... illustrating how visual predators can be a potent source of selection and an important cause of evolutionary diversification (Reimchen ... ...
... nocturnal, cryptically colored, and secretive. Nonspecialists perceive a difficulty in studying mammals, in part because of these life-history ... ...
... neotropical savanna. Oliveira, P. S. and R. J. Marquis. Columbia University Press. New York. Garcia, L., M. ... J. and K. N. Geluso. 2000. Matching the color of excavated soil: cryptic coloration in the p...
... scoparius), prairie sandreed (Calamovilfa longifolia), needle-and-thread (Stipa comata), switchgrass (Panicum virgatum), and blue grama (Bouteloua gracilis); ... ...
- 40351 Jyv�skyl�, Finland We studied selection by predators for cryptic prey coloration in a visually might sometimes be the optimal solution. To experimentally study these hypotheses, we allowed great tits (Parus major L.) to search for arti�cial prey items in two di�erent microhabitats (background boards
and Oceanography, Inc. Cryptic coloration and mirrored sides as camouflage strategies in near-surface pelagic Oceanographic Institution, Woods Hole, Massachusetts, 02543 Abstract Mirrored and colored surfaces are common optimally cryptic diffuse and specular reflectance spectra as a function of depth, solar ...
Predation selects against conspicuous colors in bird eggs and nests, while thermoregulatory constraints select for nest building behavior that regulates incubation temperatures. We present results that reveal a trade-off between nest crypticity and thermoregulation of eggs base...
EPA Science Inventory
The feeding of Diarmis proboscis is an exciting outdoor laboratory activity that demonstrates a single concept of adaptations--cryptic colorations. The students are "transformed" into D. proboscis in order to learn how adaptations work in the natural world.
NSDL National Science Digital Library
... cryptic coloration and secretive habits. The Common Raven (Corvus corax) was not found to be a source of ... 1987; Turner et al., 1987) and Common Ravens (Corvus corax) as important predators of neonates ...
basis of cryptic coloration in a sister species, Peromyscus maniculatus. Here, we take advantage markers for the oldfield mouse developed in Peromyscus polionotus and P. maniculatus. Molecular Ecology and reproductive traits) primarily using the emerging model system, deer mice (genus Peromyscus). To elucidate
Nine high-quality, interactive images showing insects that blend with their surroundings with spectacular success. Once selected, the image can be rolled-over to remove the background showing only the insect in question. Orchid mantid, several Lepidoptera, and a couple of Orthoptera are included.
... Morey (1990) provided convincing evidence that Terrestrial Gartersnake (Thamnophis elegans) predators are able to distinguish between hues of ... regilla) were equally likely to be caught by Thamnophis el...
... principal components analysis (PCA) and hue, short-wave chroma, and UV chroma were also measured directly on the spectra. Both ... sexes were alike in hue, they differed in chroma in almost all body regio...
... significantly higher consumption of larvae. In females, more sit-and-wait foraging was expected because the associated reduction in movement might enhance the effectiveness of their cryptic coloration in p...
The success of restorative dentistry is determined on the basis of functional and esthetic results. To achieve esthetics, four basic determinants are required in sequence; viz., position, contour, texture and color. The knowledge of the concept of color is essential for achieving good esthetics. This review ...
In psychological studies of visual perception, symmetry is accepted as a potent cue in visual search for cryptic objects, yet its importance for non-human animals has been assumed rather than tested. Furthermore, while the salience of bilateral symmetry has been established in laboratory-based search tasks using human subjects, its role in more natural settings, closer to ...
PubMed
... available. Greater detail in urban areas, currentness, and color were desired. To achieve these goals, a partnership ... to fund the acquisition of new, high resolution, color imagery. The final product w...
Of 26 recently isolated strains of methanococci, one was found to harbor a small, cryptic, low copy number plasmid. Reproducible recovery was achieved using a modified alkaline lysis procedure. The plasmid was found to contain a single AvaI site. No homology was detected between the plasmid and DNA from any of the other new strains or from Methanococcus ...
Energy Citations Database
Cryptic coloration is a classic example of evolution by natural selection. However, it has been studied almost exclusively in predator-prey systems, despite the fact that it may evolve in other groups, such as ectoparasites. The principle defense of hosts against ectoparasites is grooming behavior, which has a visual component. Host-imposed selection ...
To achieve effective visual camouflage, prey organisms must combine cryptic coloration with the appropriate posture and behaviour to render them difficult to be detected or recognized. Body patterning has been studied in various taxa, yet body postures and their implementation on different backgrounds have seldom been studied ...
The salience of bilateral symmetry to humans has led to the suggestion that camouflage may be enhanced in asymmetrical patterns. However, the importance of bilateral symmetry in visual signals (and overall morphology) may constrain the evolution of asymmetrical camouflage, resulting in the bilaterally symmetrical cryptic patterns that we see throughout the animal kingdom. This ...
The present study investigates the tendency of individuals to categorize colors. Humans recognize colors by categorizing them with specific color names such as red, blue, and yellow. When an individual having a certain type of color vision observes an object, they categorize its color using a ...
NASA Astrophysics Data System (ADS)
